Herbal combinations for bones, teeth, and calcium deficiency From Today's Herbal Health (2nd Edition) By Louise Tenney * No. 1 Comfrey, Horsetail, Oat Straw, and Lobelia * No. 2 Comfrey, Alfalfa, Oat Straw, Irish Moss, and Lobelia * No. 3 White Oak, comfrey, Mullien, Black Walnut, Marshmallow, Queen of the Meadow, Wormwood, Lobelia, and Scullcap I don't know where it came from, but we have used Horsetail, Yellow Dock, and Rose hips in a capsule against gum disease. Worked well, too. HTH Joyce